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Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2558742549

Certificate GIA 2558742549

Diamond specifications and retailer prices

From $3,089 USD
As of October 31, 2026
Save $3,912 USD (56%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $7,001 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558742549. Listed at 34 retailers as of October 30, 2026, with prices from $3,089 to $7,001, a $3,912 spread on the same certified stone. NZ Jewellers lists it at $7,001. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558742549
Dimensions9.82 × 5.17 × 3.28 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.82 mm5.17 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558742549
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,001 USD|Low: $2,626 USD|High: $7,001 USD|Avg: $4,028 USD
NZ Jewellers
Retailer 2
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Retailer 28
Retailer 29
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Retailer 31
Retailer 32
Retailer 33
Retailer 34
November 2, 2026
Retailer 28$2,634 USD
Retailer 7$3,089 USD
Retailer 33$3,096 USD
Retailer 5$3,130 USD
Retailer 4$3,167 USD
Retailer 32$3,168 USD
Retailer 16$3,232 USD
Retailer 19$3,360 USD
Retailer 27$3,493 USD
Retailer 15$3,495 USD
Retailer 17$3,563 USD
Retailer 6$3,641 USD
Retailer 31$3,641 USD
Retailer 12$3,643 USD
Retailer 22$3,749 USD
Retailer 9$3,781 USD
Retailer 20$3,807 USD
Retailer 21$3,885 USD
Retailer 8$3,890 USD
Retailer 2$3,920 USD
Retailer 10$3,960 USD
Retailer 24$4,077 USD
Retailer 23$4,078 USD
Retailer 11$4,120 USD
Retailer 34$4,120 USD
Retailer 14$4,201 USD
Retailer 3$4,250 USD
Retailer 18$4,293 USD
Retailer 13$4,430 USD
Retailer 30$4,940 USD
Retailer 26$5,283 USD
Retailer 25$5,808 USD
Retailer 29$6,721 USD
NZ Jewellers$7,001 USD

25 data points across 34 retailers

34 retailers$3,089 USD to $7,001 USD

Retailer 1
-
$2,458 USD
HK$19,200 HKD
Price last confirmed 31 days ago
Retailer 2
-
$2,938 USD
View
Price last confirmed 46 days ago
B+
Retailer 3
-
$3,089 USD
View
B+
Retailer 4
-
$3,096 USD
View
B+
Retailer 5
-
$3,130 USD
View
B+
Retailer 6
-
$3,167 USD
View
B+
Retailer 7
-
$3,168 USD
View
B+
Retailer 8
-
$3,232 USD
View
B+
Retailer 9
-
$3,360 USD
View
Final sale: no returns
Retailer 10
-
$3,493 USD
A$5,374 AUD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$3,495 USD
View
B+
Retailer 12
-
$3,563 USD
CA$4,949 CAD
View
B+
Retailer 13
-
$3,641 USD
View
B+
Retailer 14
-
$3,641 USD
View
B+
Retailer 15
-
$3,643 USD
View
Retailer 16
-
$3,749 USD
View
Price last confirmed 18 days ago
B+
Retailer 17
-
$3,781 USD
View
B+
Retailer 18
-
$3,807 USD
View
B
Retailer 19
-
$3,885 USD
View
B
Retailer 20
-
$3,890 USD
View
B+
Retailer 21
-
$3,920 USD
£3,086 GBP
View
B
Retailer 22
-
$3,960 USD
View
B+
Retailer 23
-
$4,077 USD
£3,210 GBP
View
B+
Retailer 24
-
$4,078 USD
View
B+
Retailer 25
-
$4,120 USD
View
B+
Retailer 26
-
$4,120 USD
View
B+
Retailer 27
-
$4,201 USD
View
B
Retailer 28
-
$4,250 USD
View
B
Retailer 29
-
$4,293 USD
View
B+
Retailer 30
-
$4,430 USD
€4,219 EUR
View
B
Retailer 31
-
$4,940 USD
ZAR 79,802 ZAR
View
B
Retailer 32
-
$5,808 USD
View
B
Retailer 33
-
$6,721 USD
£5,292 GBP
View
Most Expensive
B
NZ Jewellers
36cae81a-756a-49e3-a00f-d328032eb3c2 · Oct 30
$7,001 USD
View
33 more retailers have this diamond
Prices start from $3,089 USDSave up to $3,912 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Marquise
$3,089 USD